ochratoxin A


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ochratoxin A

[¦äk·rə¦täk·sən ′ā]
(biochemistry)
C20H18ClNO6 A toxic metabolite from Aspergillus ochraceus ; a crystalline compound which exhibits green fluorescence; melting point is 169°C; inhibits phosphorylase and mitochondrial respiration in rat liver.
References in periodicals archive ?
A total of 100 samples, 50 each of layer starter and broiler starter feeds manufactured by 10 different commercial feed mills were collected to assess contamination of aflatoxin B 2 and Ochratoxin A in poultry feeds and feed ingredients in Punjab.
Summary: Ochratoxin A (OTA) is the second most important and naturally occurring mycotoxin after aflatoxin produced as a secondary metabolite by 8 kinds of Aspergillus and 6 species of Penicillium, which can contaminate a wide variety of food and feedstuffs.
Ochratoxin: Ochratoxin A (OTA) is a nephrotoxic, immunotoxic, and carcinogenic mycotoxin.
Total aflatoxins (AFB1, AFB2, AFG1 and AFG2) and ochratoxin A (OTA) analysis showed that AFB1was present with high frequency in fresh (37.
US researchers conducted a study for the measurement of the gene expression in the kidneys of broilers fed ochratoxin A for different time periods.
Ochratoxin A is a type of toxicant that is produced by some types of fungi, which has been classified in human cancerous materials (Group B2) by the International Agency for Research on Cancer (IARC).
Toxicity of Aflatoxin B1 (AFB1) alone and in combination with Ochratoxin A (OTA) was determined in quail chicks (n=245) divided into seven groups.
Ochratoxin A appears in grains, mostly in barley, cultivated in areas with high humidity or if it is kept at an unsuitable location.